Description of Property. Seller agrees to sell to Buyer and Buyer agrees to purchase from Seller certain improved real property commonly known as.A Michigan real estate contract needs to include specific information to facilitate the sale of the property. Get a comprehensive understanding of Michigan real estate purchase and sale agreements with our indepth overview and free template. There will come a moment during this process of filling out the Purchase Agreement when you will need to make a final decision on an offer price. In Michigan, an agreement for the sale of real property must be in writing in order to be enforceable. (MCL 566.106 and 108). Learn about real estate purchase agreements and review tips for agents to protect buyers with well-prepared real estate contracts and negotiations. A master purchase agreement is a legally binding contract between buyer and seller, and typically relates to buying and selling goods rather than services.